Analysis
- max time kernel
143s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
20/12/2023, 14:15
General
- Target c3e68aefa507828808c61afdf95cf54c.exe
- Size 2.7MB
- Sample231220-rkvseaggap
- SHA256 57e0e4930aaee4e003e60ae058c6886c9c3ba7674db603378167b50ff76f4840
Malware Config
Extracted
-
cryptbot
-
befuak48.top
-
morkoe04.top
-
payload_url
http://mindoi05.top/download.php?file=lv.exe
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 21 IoCs
Detects Themida, an advanced Windows software protection system.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c3e68aefa507828808c61afdf95cf54c.exe"C:\Users\Admin\AppData\Local\Temp\c3e68aefa507828808c61afdf95cf54c.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_Information.txt
_Information.txt
_Screen_Desktop.jpeg
gttMmkgxappB.zip
memory/1412-121-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-127-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-6-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-4-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-2-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-3-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-117-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-1-0x0000000077294000-0x0000000077296000-memory.dmp
memory/1412-0-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-122-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-125-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-5-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-131-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-133-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-136-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-138-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-142-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-145-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-148-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-152-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-155-0x0000000000E00000-0x00000000014ED000-memory.dmp
memory/1412-157-0x0000000000E00000-0x00000000014ED000-memory.dmp